JPH0422415B2 - - Google Patents

Info

Publication number
JPH0422415B2
JPH0422415B2 JP63206493A JP20649388A JPH0422415B2 JP H0422415 B2 JPH0422415 B2 JP H0422415B2 JP 63206493 A JP63206493 A JP 63206493A JP 20649388 A JP20649388 A JP 20649388A JP H0422415 B2 JPH0422415 B2 JP H0422415B2
Authority
JP
Japan
Prior art keywords
sprue
valve pin
mold cavity
valve
molding compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP63206493A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01101133A (ja
Inventor
Ii Booringu Dauitsudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sonoco Products Co
Original Assignee
Sonoco Products Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sonoco Products Co filed Critical Sonoco Products Co
Publication of JPH01101133A publication Critical patent/JPH01101133A/ja
Publication of JPH0422415B2 publication Critical patent/JPH0422415B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/36—Moulds having means for locating or centering cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP63206493A 1987-10-09 1988-08-22 射出成形装置用の自動調整湯口弁組立体 Granted JPH01101133A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US107667 1987-10-09
US07/107,667 US4781572A (en) 1987-10-09 1987-10-09 Self-regulating gate valve assembly for injection molding apparatus

Publications (2)

Publication Number Publication Date
JPH01101133A JPH01101133A (ja) 1989-04-19
JPH0422415B2 true JPH0422415B2 (en]) 1992-04-17

Family

ID=22317818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63206493A Granted JPH01101133A (ja) 1987-10-09 1988-08-22 射出成形装置用の自動調整湯口弁組立体

Country Status (2)

Country Link
US (1) US4781572A (en])
JP (1) JPH01101133A (en])

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5338182A (en) * 1989-06-13 1994-08-16 Hosokawa Seisakusho Co., Ltd. Pressure molding apparatus for molten resin
JPH0612909Y2 (ja) * 1989-10-18 1994-04-06 富士写真フイルム株式会社 射出成形用金型
JPH0825209B2 (ja) * 1990-10-31 1996-03-13 日精エー・エス・ビー機械株式会社 多層成形品の射出成形方法
US5221191A (en) * 1992-04-29 1993-06-22 Carrier Corporation Horizontal rotary compressor
US5780077A (en) * 1995-09-05 1998-07-14 John W. Von Holdt Adjustable mold gate for a hot probe member
US5798130A (en) * 1995-09-05 1998-08-25 John W. Von Holdt Adjustable mold gate
DE19548687B4 (de) * 1995-12-23 2004-01-08 EWIKON Heißkanalsysteme GmbH & Co KG Beheizte Nadelverschlußdüse
CA2175634C (en) * 1996-05-02 2007-08-21 Klaus Bauer Injection molding valve member with head and neck portions
US5914138A (en) 1996-09-27 1999-06-22 Kortec, Inc. Apparatus for throttle-valving control for the co-extrusion of plastic materials as interior core streams encased by outer and inner streams for molding and the like
US6135757A (en) * 1998-10-16 2000-10-24 Husky Injection Systems Ltd. Valve gated injection molding system
US6769901B2 (en) 2000-04-12 2004-08-03 Mold-Masters Limited Injection nozzle system for an injection molding machine
US6649101B2 (en) * 2001-07-31 2003-11-18 Kortec, Inc. Method for using a sprue to reduce the size of a core layer hole in an injection molding process by terminating an injection stream within the sprue
CA2358187A1 (en) * 2001-10-03 2003-04-03 Mold-Masters Limited Nozzle seal
CA2358148A1 (en) 2001-10-03 2003-04-03 Mold-Masters Limited A nozzle
US6962492B2 (en) 2001-10-05 2005-11-08 Mold-Masters Limited Gap seal between nozzle components
US6752618B2 (en) * 2001-12-20 2004-06-22 Mold-Masters Limited Injection manifold having a valve pin guiding device
DE10392298B4 (de) * 2002-02-21 2016-04-28 Mold-Masters (2007) Limited Spritzgießvorrichtung mit einer Ventilnadelführung für eine ventilbetätigte Düse
US7128566B2 (en) 2002-02-21 2006-10-31 Mold-Masters Limited Valve pin guiding tip for a nozzle
AU2003218927A1 (en) * 2002-04-12 2003-10-27 Mold-Masters Limited Mold gate insert with a thermal barrier
ATE373557T1 (de) * 2002-07-30 2007-10-15 Mold Masters Ltd Ventilnadelführungs- und -ausrichtungssystem für einen heisskanal in einer spritzgiessvorrichtung
US7175418B2 (en) * 2002-11-04 2007-02-13 University Of Massachusetts Melt control system for injection molding
CA2450411C (en) 2002-11-21 2012-01-03 Mold-Masters Limited Hot runner nozzle with a tip, a tip surrounding piece and an alignment piece
DE10356937A1 (de) 2002-12-09 2004-07-15 Mold-Masters Ltd., Georgetown Düsenspitze und -dichtung
US7168943B2 (en) * 2003-08-29 2007-01-30 Mold-Masters Limited Guided valve pin for an injection molding apparatus
US7452201B2 (en) * 2003-09-12 2008-11-18 Injectnotech Inc. Injection molding valve gate system and activating mechanism
US20050255187A1 (en) * 2004-05-14 2005-11-17 University Of Massachusetts Methods and devices for melt pressure regulation
US7344372B2 (en) * 2004-06-02 2008-03-18 Mold-Masters (2007) Limited Injection molding nozzle having an annular flow tip
US7544056B2 (en) 2004-06-02 2009-06-09 Mold-Masters (2007) Limited Valve-gated injection molding nozzle having an annular flow
ATE447471T1 (de) * 2004-06-02 2009-11-15 Mold Masters 2007 Ltd Verschlussdüsenvorrichtung zum spritzgiessen mit einer ringförmigen strömung
US7559762B2 (en) * 2006-06-16 2009-07-14 Mold-Masters (2007) Limited Open loop pressure control for injection molding
DE102006049073A1 (de) * 2006-10-13 2008-04-17 Hasco Hasenclever Gmbh + Co Kg Einspritzdüse zur Führung von Schmelzemasse in einer Kunststoffspritzgießform
US8887296B2 (en) * 2006-12-12 2014-11-11 The Boeing Company Method and system for object-based multi-level security in a service oriented architecture
US7731489B2 (en) * 2006-12-21 2010-06-08 Mold-Masters (2007) Limited Valve for co-injection molding apparatus
JP5742409B2 (ja) * 2011-04-11 2015-07-01 Nok株式会社 射出成形装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US884746A (en) * 1906-12-29 1908-04-14 Hugh Watson Mackenzie Means for molding biscuits.
US3010156A (en) * 1959-02-13 1961-11-28 Paul M Smith Automatic valve and degate nozzle for thermoplastic injection machines
US3070126A (en) * 1959-07-14 1962-12-25 Novo Ind Corp Vacuum casting nozzle
US3590439A (en) * 1969-04-28 1971-07-06 Eskil P Swanson Shutoff device for an injection molding machine
US3871805A (en) * 1973-04-26 1975-03-18 Arthur W Jacobs Reciprocating screw injection molding machine cylinder head with integral spreader and automatic nozzle
DE2321153A1 (de) * 1973-04-26 1974-11-14 Demag Kunststofftech Angussvorrichtung fuer die formgebende verarbeitung von aus mehreren fluessigen komponenten sich bildenden kunststoffen
US4171941A (en) * 1978-01-18 1979-10-23 Osaka City Gate of mold for injection molding machine
EP0011805B1 (en) * 1978-12-05 1984-02-29 Osaka City Valve nozzle for an injection molding machine
US4289468A (en) * 1979-04-27 1981-09-15 Holdt J W Von Hydrostatic mold gate
US4333608A (en) * 1980-09-19 1982-06-08 Ex-Cell-O Corporation Injection molding nozzle
US4380422A (en) * 1981-06-05 1983-04-19 Holdt J W Von Longitudinally expansible and contractible hydrostatic mold gate
CA1193818A (en) * 1983-03-24 1985-09-24 Jobst U. Gellert Hydraulically actuated injection molding system with alternate hydraulic connections

Also Published As

Publication number Publication date
US4781572A (en) 1988-11-01
JPH01101133A (ja) 1989-04-19

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